NB/T 10548-2021Explosion-proof cable drum for coal mine (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the products of explosion-proof cable reel devices for mines (including cable reels and optical cable reels, hereinafter referred to as "cable reels")

Model, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to cable reels with voltage levels of 380V, 660V, and 1140V underground in coal mines.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 2423.4 Environmental testing of electrical and electronic products Part 2: Test method Test Db. Alternating damp heat (12h 12h cycle ring)

GB 3836.1-2010 Explosive Atmosphere Part 1: General Requirements for Equipment

GB 3836.2-2010 Explosive atmosphere Part 2: Equipment protected by flameproof enclosure "d"

GB 3836.3-2010 Explosive atmosphere Part 3: Equipment protected by increased safety "e"

GB/T 4208 Shell protection grade (IP code)

GB/T 14048.1-2012 Low-voltage switchgear and control equipment Part 1: General

AQ1043 Mining product safety mark identification

MT/T 661-2011 General technical requirements for electrical equipment used in underground coal mines

MT818.1-2009 Cables for coal mines Part 1: General requirements for mobile flexible cables

3 Terms and definitions

The following terms and definitions apply to this document.

4 Product model and parameters